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0686

Feed-Forward Coefficient Overflow

Fanuc · Alpha i Series Servo Amplifier

Was bedeutet 0686 ?

This invalid parameter setting alarm indicates that the internal calculation value of the feed-forward coefficient has overflowed. This suggests the coefficient setting is too high or requires a different calculation method to accommodate the value.

Häufige Ursachen

  • Feed-forward coefficient calculation has overflowed.
  • Issues in predicting motor response to torque commands.
  • Incorrect feed-forward gain settings (e.g., P04-16).
  • Rapid changes in load torque.

Reparaturschritte & Checkliste

Klicken Sie auf Schritte, um Ihren Fortschritt zu verfolgen.

  1. 1

    Utilize the position gain expansion function to handle the feed-forward coefficient calculation.

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Verifizierte technische Daten. Zuletzt aktualisiert: March 2026

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Quelle: Fanuc Alpha i Series Servo Amplifier